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| Content Provider | Springer Nature Link |
|---|---|
| Author | Carroll, Matthew W. Radcliffe, Edward B. MacRae, Ian V. Ragsdale, David W. Olson, Kent D. Badibanga, Thaddee |
| Copyright Year | 2008 |
| Abstract | Worldwide, Myzus persicae (Sulzer) is considered the key vector of Potato leafroll virus (PLRV). In the northern Great Plains, introduction of PLRV into seed potato fields is coincident with mid-summer dispersal of winged M. persicae from local crop and weed hosts. Initial colonization of potato fields tends to occur at field margins. In 2003, experiments were conducted in 23 seed potato fields to evaluate effectiveness of targeted methamidophos applications for M. persicae control. These applications provided excellent control (>94%) of colonizing aphids in the borders, slowed subsequent within field spread, and necessitated treatment of 95% fewer hectares than would treating entire fields. Across entire fields, control costs averaged $4.22 per ha for border treatments compared to a hypothetical $58.91 per ha for applying methamidophos to entire fields. Thus targeted insecticide applications can provide effective M. persicae control in seed potato fields while greatly lowering insecticide use and application costs overall. Myzus persicae (Sulzer) es considerado a nivel mundial el vector clave del virus del enrollamiento de la papa (PLRV). En el norte de las Grandes Llanuras, la introducción de PLRV en campos de semilla coincide con la dispersión a mitad del verano de M. persicae alado a partir de cultivos locales y maleza hospedante. La colonización inicial de los campos de papa tiende a realizarse en los bordes de los campos. En 2003, se realizaron experimentos en 23 campos de semilla de papa para evaluar la efectividad del metamidofos para el control de M. persicae. Las aplicaciones dieron un excelente control (> 94%) de los áfidos colonizadores en el borde de los campos, retardaron la posterior diseminación dentro del campo y necesitaron el tratamiento de 95% hectáreas menos que para el tratamiento de campos íntegros. En todos los campos, el costo del control promedió $ 4.22 por ha para el tratamiento de los bordes comparado con un hipotético $ 58.91 por ha, para aplicar metamidofos a todo el campo. De este modo, las aplicaciones dirigidas de un insecticida pueden proporcionar un control efectivo de M. persicae en campos de semilla de papa disminuyendo enormemente el uso del insecticida y los gastos totales de aplicación. |
| Starting Page | 31 |
| Ending Page | 37 |
| Page Count | 7 |
| File Format | |
| ISSN | 1099209X |
| Journal | American Potato Journal |
| Volume Number | 86 |
| Issue Number | 1 |
| e-ISSN | 18749380 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2008-12-06 |
| Publisher Institution | Potato Association of America |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Targeted applications Myzus persicae Methamidophos Green peach aphid Plant Pathology Plant Breeding/Biotechnology Plant Genetics & Genomics Agriculture Plant Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Agronomy and Crop Science |
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